Global manufacturer specification · B450M-DRAGON
B450M-DRAGON motherboard, identified in the ASUS Global catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.
Specifications checked 17 Oct 2026.
Amazon links open search results. Check the exact variant, current price and availability with the retailer.
Manufacturer specifications5 verified differences, led by Form factor and dimensions, memory type, slots and limit and storage interfaces and restrictions. Compared in full below. Not a rating.
AM4 · Micro-ATX · DDR4 · board-only configuration · MSI global specification
A compact Micro-ATX AM4 motherboard with AMD B450: two DDR4 slots (up to 64 GB, DDR4-4133 OC), a PCIe 3.0 x16 graphics slot, one M.2 slot and Realtek 8125BG 2.5 Gb Ethernet.
Specifications checked 21 Sept 2026.
Amazon links open search results. Check the exact variant, current price and availability with the retailer.
Manufacturer specificationsSearch links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.
Differences first. Select a topic for its graphic, sources and conditions.
Check the exact configuration and source conditions for your use.
Plan the complete platform. Check the exact CPU-support list, required BIOS and memory validation before buying. PCIe generations and lane allocations can change with the processor. A socket match or slot count is not a guarantee that every component works together at its highest advertised setting.
5 verified differences, most decision-relevant first. All are also drawn in Visual facts above. Missing information stays separate.
Manufacturer specification
ASUS B450M-DRAGON — official Global technical specificationsManufacturer specification · Board dimensions, not retail packaging. Check case mounting positions, clearance and cable routing.
MSI B450M-A PRO MAX II — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification
ASUS B450M-DRAGON — official Global technical specificationsManufacturer specification · CPU, BIOS and validated DIMM population determine supported capacity and speeds. DDR4 and DDR5 are not interchangeable.
MSI B450M-A PRO MAX II — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification
ASUS B450M-DRAGON — official Global technical specificationsM2_1 connects to the CPU. · Manufacturer specification · M2_1 accepts 2280/2260/2242 drives.
MSI B450M-A PRO MAX II — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification
ASUS B450M-DRAGON — official Global technical specificationsMSI's specification page lists a Realtek 8125 2.5 Gbps LAN controller and a 2.5G LAN rear port, and the model datasheet names the Realtek 8125BG. An older section of MSI's page that listed a Realtek 8111H Gigabit controller conflicts with both and no longer appears on the page. · Manufacturer specification · Wired Ethernet only; no Wi-Fi or Bluetooth module is listed for this board.
MSI B450M-A PRO MAX II — manufacturer specificationsMSI B450M-A PRO MAX II — exact model datasheetCheck the exact configuration and source conditions for your use.
Manufacturer specification
ASUS B450M-DRAGON — official Global technical specificationsManufacturer specification · Manufacturer-listed onboard audio hardware, not a measured sound-quality result. Where alternatives are listed, no particular unseen controller revision is promised.
MSI B450M-A PRO MAX II — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Exact CPU support and BIOS revision depend on the processor and the current ASUS CPU support list; the family statement is not a guarantee for every processor.
ASUS B450M-DRAGON — official Global technical specificationsManufacturer specification · Check MSI's exact CPU support list and its required BIOS. Family support does not confirm the firmware installed on a retail board.
MSI B450M-A PRO MAX II — manufacturer specificationsMSI B450M-A PRO MAX II — exact model datasheetThese descriptions or measurements differ. Wording alone does not establish a different capability; check the exact configuration.
No source recorded for this side.
Manufacturer specification · Physical DDR4 module positions, not included modules. Consult the board manual for population order and compatible capacities.
MSI B450M-A PRO MAX II — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR4 slots require DDR4 modules; DDR4 and DDR5 are not interchangeable.
MSI B450M-A PRO MAX II — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Onboard M.2 storage positions only. Verify drive type and CPU support for the M.2 slot. No additional storage slot is inferred from a PCIe expansion connector.
MSI B450M-A PRO MAX II — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Electrical links and physical connectors are separate; no measured performance is inferred.
MSI B450M-A PRO MAX II — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
MSI's rear-panel list for this board does not mention a Flash BIOS button; check the manual if you need BIOS flashback. · Manufacturer specification
MSI B450M-A PRO MAX II — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · ECC modules run in non-ECC mode, so error correction is not active.
MSI B450M-A PRO MAX II — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification
ASUS B450M-DRAGON — official Global technical specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Board headers, not supplied fans or an assertion of current limits.
MSI B450M-A PRO MAX II — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Requires integrated CPU graphics; supported modes depend on processor.
MSI B450M-A PRO MAX II — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Manufacturer OC configurations, not guaranteed kit speed or measured application performance. CPU, BIOS, memory rank and DIMMs per channel determine support.
MSI B450M-A PRO MAX II — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
MSI lists RAID modes for SATA drives only; NVMe RAID support is not stated. · Manufacturer specification
MSI B450M-A PRO MAX II — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification
ASUS B450M-DRAGON — official Global technical specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Not a measured graphics performance result.
MSI B450M-A PRO MAX II — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or power cables. Verify drive type and CPU support for the M.2 slot. No additional storage slot is inferred from a PCIe expansion connector.
MSI B450M-A PRO MAX II — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Requires compatible drives and array configuration; no data protection guarantee.
MSI B450M-A PRO MAX II — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Requires compatible case ports and cabling; not rear sockets.
MSI B450M-A PRO MAX II — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Port inventory and interface ratings, not simultaneous measured throughput or charging power.
MSI B450M-A PRO MAX II — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
2 shared fields have the same recorded value.
| Specification | ASUS B450M-DRAGON | MSI B450M-A PRO MAX II |
|---|---|---|
CPU socket SourcesASUS B450M-DRAGON Manufacturer specification ASUS B450M-DRAGON — official Global technical specificationsMSI B450M-A PRO MAX II Manufacturer specification · Match the exact CPU and required BIOS as well as the physical socket. MSI B450M-A PRO MAX II — manufacturer specifications | AM4 | AM4 |
Chipset SourcesASUS B450M-DRAGON Manufacturer specification ASUS B450M-DRAGON — official Global technical specificationsMSI B450M-A PRO MAX II Manufacturer specification MSI B450M-A PRO MAX II — manufacturer specifications | AMD B450 | AMD B450 |
Form factor and dimensionsDifferent SourcesASUS B450M-DRAGON Manufacturer specification ASUS B450M-DRAGON — official Global technical specificationsMSI B450M-A PRO MAX II Manufacturer specification · Board dimensions, not retail packaging. Check case mounting positions, clearance and cable routing. MSI B450M-A PRO MAX II — manufacturer specifications | mATX Form Factor,8.9 inch x 8.7 inch ( 22.6 cm x 22.1 cm ) | Micro-ATX; 236 × 200 mm |
CPU support and BIOS requirementsDifferent SourcesASUS B450M-DRAGON Manufacturer specification · Exact CPU support and BIOS revision depend on the processor and the current ASUS CPU support list; the family statement is not a guarantee for every processor. ASUS B450M-DRAGON — official Global technical specificationsMSI B450M-A PRO MAX II Manufacturer specification · Check MSI's exact CPU support list and its required BIOS. Family support does not confirm the firmware installed on a retail board. MSI B450M-A PRO MAX II — manufacturer specificationsMSI B450M-A PRO MAX II — exact model datasheet | AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors,* Refer to www.asus.com for CPU support list BIOS: 128 Mb Flash ROM, UEFI AMI BIOS, PnP, SM BIOS 3.1, ACPI 6.1, Multi-language BIOS, ASUS EZ Flash 3, ASUS CrashFree BIOS 3, F3 My Favorite, Last Modified log, F12 PrintScreen, ASUS DRAM SPD (Serial Presence Detect) memory information, F6 Qfan Control | AMD Ryzen 5000 / 5000 G-Series / 4000 G-Series / 3000 / 3000 G-Series / 2000 / 2000 G-Series / 1000 Series and Athlon with Radeon Vega Graphics |
Listed operating systems SourcesASUS B450M-DRAGON Manufacturer specification ASUS B450M-DRAGON — official Global technical specificationsMSI B450M-A PRO MAX II No source recorded. | Windows® 7 64-bit *2,Windows® 10 64-bit | Not provided |
Memory type, slots and limitDifferent SourcesASUS B450M-DRAGON Manufacturer specification ASUS B450M-DRAGON — official Global technical specificationsMSI B450M-A PRO MAX II Manufacturer specification · CPU, BIOS and validated DIMM population determine supported capacity and speeds. DDR4 and DDR5 are not interchangeable. MSI B450M-A PRO MAX II — manufacturer specifications | 2 x DIMM, Max. 64GB, DDR4 4400(O.C)/3466(O.C.)/3200(O.C.)/3000(O.C.)/2933(O.C.)/2800(O.C.)/2666/2400/2133 MHz Un-buffered Memory,3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors,Dual Channel Memory Architecture,ECC Memory (ECC mode) support varies by CPU.,* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).,* The maximum memory frequency supported varies by processor. | 2 DDR4 DIMM slots; dual channel; up to 64 GB; up to DDR4-4133 (OC); A-XMP; non-ECC unbuffered |
Maximum listed memory SourcesASUS B450M-DRAGON No source recorded. MSI B450M-A PRO MAX II Manufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR4 slots require DDR4 modules; DDR4 and DDR5 are not interchangeable. MSI B450M-A PRO MAX II — manufacturer specifications | Not provided | 64 GB |
DIMM slots SourcesASUS B450M-DRAGON No source recorded. MSI B450M-A PRO MAX II Manufacturer specification · Physical DDR4 module positions, not included modules. Consult the board manual for population order and compatible capacities. MSI B450M-A PRO MAX II — manufacturer specifications | Not provided | 2 |
Published memory OC configurations SourcesASUS B450M-DRAGON No source recorded. MSI B450M-A PRO MAX II Manufacturer specification · Manufacturer OC configurations, not guaranteed kit speed or measured application performance. CPU, BIOS, memory rank and DIMMs per channel determine support. MSI B450M-A PRO MAX II — manufacturer specifications | Not provided | A-XMP OC settings listed through DDR4-4133 |
ECC module operating mode SourcesASUS B450M-DRAGON No source recorded. MSI B450M-A PRO MAX II Manufacturer specification · ECC modules run in non-ECC mode, so error correction is not active. MSI B450M-A PRO MAX II — manufacturer specifications | Not provided | ECC UDIMM supported in non-ECC mode |
Storage interfaces and restrictionsDifferent SourcesASUS B450M-DRAGON Manufacturer specification ASUS B450M-DRAGON — official Global technical specificationsMSI B450M-A PRO MAX II M2_1 connects to the CPU. · Manufacturer specification · M2_1 accepts 2280/2260/2242 drives. MSI B450M-A PRO MAX II — manufacturer specifications | 3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics:,AMD B450 chipset:,4 x SATA 6Gb/s port(s), gray,,Support Raid 0, 1, 10,1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode),AMD Athlon™ with Radeon™ Vega Graphics Processors:,1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA mode) | 1 × M.2 PCIe 3.0 x4; M2_1 also supports SATA; 4 × SATA 6 Gb/s |
Onboard M.2 storage slots SourcesASUS B450M-DRAGON No source recorded. MSI B450M-A PRO MAX II Manufacturer specification · Onboard M.2 storage positions only. Verify drive type and CPU support for the M.2 slot. No additional storage slot is inferred from a PCIe expansion connector. MSI B450M-A PRO MAX II — manufacturer specifications | Not provided | 1 |
SATA storage ports SourcesASUS B450M-DRAGON No source recorded. MSI B450M-A PRO MAX II Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or power cables. Verify drive type and CPU support for the M.2 slot. No additional storage slot is inferred from a PCIe expansion connector. MSI B450M-A PRO MAX II — manufacturer specifications | Not provided | 4 |
SATA RAID modes SourcesASUS B450M-DRAGON No source recorded. MSI B450M-A PRO MAX II Manufacturer specification · Requires compatible drives and array configuration; no data protection guarantee. MSI B450M-A PRO MAX II — manufacturer specifications | Not provided | RAID 0/1/10 |
Expansion slots and restrictions SourcesASUS B450M-DRAGON Manufacturer specification ASUS B450M-DRAGON — official Global technical specificationsMSI B450M-A PRO MAX II No source recorded. | 3rd/2nd/1st Gen AMD Ryzen™ Processors,1 x PCIe 3.0/2.0 x16 (x8 mode) *1,AMD B450 chipset,1 x PCIe 3.0/2.0 x16 (x16 mode),AMD Athlon™ with Radeon™ Vega Graphics Processors,1 x PCIe 3.0/2.0 x16 (max at x4 mode),2 x PCIe 2.0 x1 | Not provided |
Primary expansion-slot link SourcesASUS B450M-DRAGON No source recorded. MSI B450M-A PRO MAX II Manufacturer specification · Not a measured graphics performance result. MSI B450M-A PRO MAX II — manufacturer specifications | Not provided | PCI_E1: CPU PCIe 3.0 up to x16 |
Secondary expansion slots SourcesASUS B450M-DRAGON No source recorded. MSI B450M-A PRO MAX II Manufacturer specification · Electrical links and physical connectors are separate; no measured performance is inferred. MSI B450M-A PRO MAX II — manufacturer specifications | Not provided | 1 PCIe 2.0 x1 slot |
Audio interfacesDifferent SourcesASUS B450M-DRAGON Manufacturer specification ASUS B450M-DRAGON — official Global technical specificationsMSI B450M-A PRO MAX II Manufacturer specification · Manufacturer-listed onboard audio hardware, not a measured sound-quality result. Where alternatives are listed, no particular unseen controller revision is promised. MSI B450M-A PRO MAX II — manufacturer specifications | Realtek ALC887/8978-Channel High Definition Audio CODEC,- LED-illuminated design,- Audio Shielding,- Dedicated audio PCB layers,- Premium Japanese audio capacitors,Audio Feature:,* Choose the chassis with HD audio module in front panel to support 8-channel audio output. | Realtek ALC897 codec; 7.1-channel |
Processor-dependent display outputs SourcesASUS B450M-DRAGON No source recorded. MSI B450M-A PRO MAX II Manufacturer specification · Requires integrated CPU graphics; supported modes depend on processor. MSI B450M-A PRO MAX II — manufacturer specifications | Not provided | HDMI 2.0b: up to 4K 60 Hz; DVI-D: 1920×1200 at 60 Hz |
Rear USB ports SourcesASUS B450M-DRAGON No source recorded. MSI B450M-A PRO MAX II Manufacturer specification · Port inventory and interface ratings, not simultaneous measured throughput or charging power. MSI B450M-A PRO MAX II — manufacturer specifications | Not provided | 2 USB 2.0; 4 USB 5 Gb/s Type-A |
Front USB header capacity SourcesASUS B450M-DRAGON No source recorded. MSI B450M-A PRO MAX II Manufacturer specification · Requires compatible case ports and cabling; not rear sockets. MSI B450M-A PRO MAX II — manufacturer specifications | Not provided | 4 USB 2.0; 2 USB 5 Gb/s Type-A |
Network interfaces and requirementsDifferent SourcesASUS B450M-DRAGON Manufacturer specification ASUS B450M-DRAGON — official Global technical specificationsMSI B450M-A PRO MAX II MSI's specification page lists a Realtek 8125 2.5 Gbps LAN controller and a 2.5G LAN rear port, and the model datasheet names the Realtek 8125BG. An older section of MSI's page that listed a Realtek 8111H Gigabit controller conflicts with both and no longer appears on the page. · Manufacturer specification · Wired Ethernet only; no Wi-Fi or Bluetooth module is listed for this board. MSI B450M-A PRO MAX II — manufacturer specificationsMSI B450M-A PRO MAX II — exact model datasheet | Realtek® RTL8111H, 1 x Gigabit LAN Controller(s),ASUS LAN Guard | Realtek 8125BG 2.5 Gb Ethernet |
Cooling headers SourcesASUS B450M-DRAGON No source recorded. MSI B450M-A PRO MAX II Manufacturer specification · Board headers, not supplied fans or an assertion of current limits. MSI B450M-A PRO MAX II — manufacturer specifications | Not provided | 1 CPU; 1 system fan header |
NVMe RAID modes SourcesASUS B450M-DRAGON No source recorded. MSI B450M-A PRO MAX II MSI lists RAID modes for SATA drives only; NVMe RAID support is not stated. · Manufacturer specification MSI B450M-A PRO MAX II — manufacturer specifications | Not provided | Not listed by the manufacturer |
|---|---|---|
Rear Flash BIOS button SourcesASUS B450M-DRAGON No source recorded. MSI B450M-A PRO MAX II MSI's rear-panel list for this board does not mention a Flash BIOS button; check the manual if you need BIOS flashback. · Manufacturer specification MSI B450M-A PRO MAX II — manufacturer specifications | Not provided | Not listed by the manufacturer |
Closest motherboards to this pair by shared key specifications. Not a popularity ranking.
Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.
